講好的暗號
裝在字裡面的那層意思，是事先講好的，只有講好的人打得開。
noun · B2
A word or phrase that is given a different meaning from its usual one, so that people who know the arrangement can say something to each other secretly.
暗號；代號
核心畫面
Picture an ordinary word with a second meaning packed inside it. On the outside it sounds like nothing special, so it can be said out loud anywhere. What it really carries depends on an agreement, or on what both people already know — and that is what decides who hears the surface and who hears the load.
可以想成一個普通的字，裡面裝著第二個意思。表面上聽起來平平無奇，所以可以在任何地方說出口。它真正帶著什麼，靠的是一個…更多收起
可以想成一個普通的字，裡面裝著第二個意思。表面上聽起來平平無奇，所以可以在任何地方說出口。它真正帶著什麼，靠的是一個約定，或是雙方本來就心知肚明的事。這一點決定了誰只聽到表面，誰聽得到裡面那層。Two branches
不想講太直的代稱
同樣是表面一層、底下一層，但這次不是為了瞞人，而是為了不要說得太重。
noun · B2
A word or expression used in place of a more direct one, when you want to avoid shocking or upsetting the person listening.
委婉的代稱